Kessides, C. (1993). Institutional options for the provision of infrastructure. World Bank.
Chicago Style aipamenaKessides, Christine. Institutional Options for the Provision of Infrastructure. Washington, D. C: World Bank, 1993.
MLA aipamenaKessides, Christine. Institutional Options for the Provision of Infrastructure. World Bank, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.